http://7sage.com/lsat_explanations/lsat-71-section-3-question-21/
I've figured out why C) and E) are wrong, but I'm not sure how the other incorrect answers weaken the argument.
... might get through the first 3 games really fast and then ... down, maybe reread the rules 3 times and play around with ... was actually because the first 3 games are easy and last ...